# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 509
1. ## geomotry

the quadrilateral named in parts a through d are parallelograms formed on the diagram at the right.give the coordinates for the fourth vertex.then calculate the slopes of the sides to show that the oppisite sides are parallel. how do you do that

asked by bre on January 9, 2008
2. ## Physics

A 980-N painter stands on a uniform 230-N board supported by 2 wooden poles as shown below. If the poles can hold only 800-N will it be safe for him to stand on the position show?

asked by Angelique on June 27, 2012
3. ## English

Choose the answer that best matches the word bravado. Sometimes small dogs show more bravado than the larger breeds; they may need to in order to be noticed. a. boldness*** b. fear c. perseverance d. stamina

asked by Kaai97 on January 19, 2016
4. ## Math (Calculus AB)

For x≠0, the slope of the tangent to y=xcosx equals zero whenever: (a) tanx=-x (b) tanx=1/x (c) sinx=x (d) cosx=x Please help. I have a final tomorrow and I am working diligently to understand every type of problem that may show up on my test. Thank you

asked by Jake on January 24, 2011
5. ## Chemistry

4.0 g of ferrous ammonium sulphate, FeS04(NH4)2 SO4 6H20, is used. The oxalate is in excess, calculate the theoretical yield of the iron complex. Can someone please show me how to calculate a question like this please? Thank you

asked by rasuka_geo on November 2, 2009
6. ## Math (Calculus AB)

For x≠0, the slope of the tangent to y=xcosx equals zero whenever: (a) tanx=-x (b) tanx=1/x (c) sinx=x (d) cosx=x Please help. I have a final tomorrow and I am working diligently to understand every type of problem that may show up on my test. Thank you

asked by Jake on January 24, 2011
7. ## math

trigonometric functions/ radians the angle Ə is in the first quadrant, and cos Ə = 2/√5 a) draw a diagram to show the angle in standard position and a point P on its terminal arm b) determine possible coordinates for P

asked by s on November 30, 2008
8. ## Physics

Show that the escape speed n for a body located on the surface of a planet of radius r and mass M is given by the expression v = sqrt( (2* G * M)/r) now im using (K+Ug)i = (K+Ug)k where Kf = 0 because final velocity is zero and Ugf = 0 because its final

asked by Oisin on July 26, 2010
9. ## Biology

For a project, I have to make a food example of Smooth ER. My idea is a cake, frosted with fruit rollup as the smooth er, but that doesn't really show the funciton. (For example, jello shows the function of cytoplasm)

asked by Anonymous on October 25, 2008
10. ## math helllppppp

Which best describes box and whisker plots? A. they are divided into sections using quartiles and extremes B. they are created by first writing a data set in order from least to greatest C. they show how data are spread out D. all of the above***

asked by Abigail on August 22, 2017
11. ## math

a clipboard costs \$2.23. It costs \$0.58 more than a notebooh. Lisa buys two clipboards and one notebook and paid with a ten dollar bill. use a tape diagram with calculations to show her change.

asked by Peanut on March 3, 2014
12. ## physics

A string of 8 christmas tree lights connected in series to a 120v source draws a current of 0.75A.can any one show me how to find the resistance of each lights and potential differnces.

asked by Alemu on January 4, 2010
13. ## Social Studies

What did Johnson want to accomplish in his Great Society Plan? Who did Jonson name to serve in the Supreme Court? How was Lyndon B. Johnson honored after he served our country? How did he show diligence in his life?

asked by Yan on March 25, 2009
14. ## year 8 RE - re teachers

Please could someone help me with my re homework. i need to write an essay.this is the question:- Show how religious beliefs and practices may be connected to the needs and concerns of people living at different times and in different situations. Please

asked by Kerrie on March 16, 2009
15. ## Chemistry

a) A current of 1.50 Amperes passes through a solution of AgNO3 for 3.0 hours. What mass, in grams, of silver collects on the cathode? (molar mass of silver = 107.9 g/mol) b) How many seconds would it take to collect 100 g of silver to collect on the

asked by Morgan on March 5, 2015
16. ## English

please check this for me thanks this my draft now I think that I can turn in more than one draft but do you really do that. There are on- going problems that need to be addressed at the DMD company. First there is uneven allocation of tasks. While Bonnie

asked by Kaleigh-Anne on June 21, 2008
17. ## english

this is the assignment can you tell me if i covered what was needed of the assignment? Write two paragraphs, with a total minimum word count of 350 words, explaining what your point of view will be and what you plan to accomplish in your paper. My point of

asked by rene on December 4, 2010
18. ## Econ URGENT HELP!

Consider a simple economy consisting of only four firms. Firm A, a mining enterprise, extracts iron ore. Firm B, a Steelmaker, produces steel sheets. Firm C, a carmaker, makes automobile while Firm D produces automobile tires. In 2016, firm A extracts

asked by Linda on October 7, 2016
19. ## Econ VERY URGENT, HELP!

Consider a simple economy consisting of only four firms. Firm A, a mining enterprise, extracts iron ore. Firm B, a Steelmaker, produces steel sheets. Firm C, a carmaker, makes automobile while Firm D produces automobile tires. In 2016, firm A extracts

asked by Linda on October 7, 2016
20. ## VERY URGENT, HELP!

Consider a simple economy consisting of only four firms. Firm A, a mining enterprise, extracts iron ore. Firm B, a Steelmaker, produces steel sheets. Firm C, a carmaker, makes automobile while Firm D produces automobile tires. In 2016, firm A extracts

asked by Linda on October 7, 2016
21. ## algebra

Can someone please help me with the following?: Factor each expression completely: x²-x-72 3x²-3x-168 Here is the way I have found to do these. First, make a couple of sets of parentheses. ( )( ) We put in the first letter. From X2 we can get ONLY X and

asked by Matilda on November 22, 2006
22. ## LAN networking

Your company is a medium-size firm and leases two buildings. The two buildings are 800 meters apart. Each building has a 100BaseT Ethernet network. Required result: ¡ Connect the two separate networks. Optional result: ¡ The network needs to support

asked by jim jones on November 20, 2009
23. ## Chemistry - Explain...

Hello! I'm hoping you can please help me with this! I left my book at school (I thought I'd left it in my backpack all day to bring home), and I'm in desperate need of your help because I have a test tomorrow. "Answer the following questions, which refer

asked by Rachel on November 28, 2006
24. ## Geography

52. Discuss the process known as the "Four Modernizations" and how the attitude of the Chinese leaders in this area contrasted with response to rise of democratic protests. After Mao Zedong died in 1976, a power struggle followed that pitted the Gang of

asked by y912f on April 16, 2010
25. ## Algebra

How many real number solutions does the equation have? y=-4x^2+7x-8 A. no solutions B. one solution C. two solutions D. infinitely many solutions I think it is C..? How many real number solutions does the equation have? y=2x^2-20x+50 A. no solutions B. one

asked by Cassie on March 11, 2014
26. ## Chemistry

Calculate the pH after 0.14 mole of NaOH is added to 1.07 L of a solution that is 0.54 M HF and 1.15 M NaF, and calculate the pH after 0.28 mole of HCl is added to 1.07 L of the same solution of HF and NaF. 0.14 mole of NaOH 0.28 mole of HCl

asked by Margaret on March 13, 2013
27. ## Biology

The integumentary system includes • skin only** • hair only • nails only • skin, hair, and nails Is my answer correct? the **

asked by Sandra on March 22, 2014
28. ## Algebra 1

4 pencils and 5 pens cost \$2.00; 3 pencils and 4 pens cost \$1.58. Write out a system of equations that would represent this situation.

asked by Alex on April 18, 2014
29. ## Math

A sprinkler system is designed to water 5/9 acre of land in 1/3 hour. How many acres of land can it water in 1 hour?

asked by Jess on December 1, 2015
30. ## math

how do you convert miles to feet in the u.s.customary system? a.multiply by 12 b.divide by 12 c.multiply by 5,280 d.divide by 5,280

asked by babyc36 on June 15, 2013
31. ## Biology

In human digestive system liver is called chemical factory in the body .Why is it called chemical factory..

asked by Menejap Ganemo on May 22, 2019
32. ## Chemistry -Please Help

2. What is the reduction half-reaction for the following unbalanced redox equation? Cr2O7^2– + NH4^+ Cr2O3 + N2 A.) Cr2O3 -> Cr2O7^2– B.) Cr2O7^2– -> Cr2O3 C.) NH4^+ -> N2 D.) N2 -> NH4^+ I think it is B...? 3. Which oxidation-reduction reactions are

asked by cassie on March 22, 2013
33. ## Technology

I need help with these two questions: 1. Sheet metal and copper piping are examples of a. natural resources b. industrial products c. consumer products d. standard materials I think it's either B or D 2. Which of the following would be considered part of a

asked by y912f on December 31, 2009
34. ## Accounting

Identify whether each description best applies to a periodic or a perpetual inventory system. a. Provides more timely information to managers. b. Requires an adjusting entry to record inventory shrinkage. c. Markedly increased in frequency and popularity

asked by Mar on April 11, 2012
35. ## SCIENCE

Southern California wastewater discharges have continued to increase in terms of the gallons of effluent released, however the amount of sewage components has been reduced because a. people are eating less greasy foods b. harmful materials are kept out of

asked by Meg on May 16, 2007
36. ## Technology

21. You have learned that there are seven inputs common to all technological systems. List these inputs and give an example for each one. 21. There are seven inputs that are common to all technological systems. These include people, materials, tools

asked by y912f on April 8, 2010
37. ## physics

the rubidium isotope 87Rb is a beta emitter with a half-life of 4.9E10 y that decays into 87Sr. It is used to determine the age of rocks and fossils. Rocks containing the fossils of early animals contain a ration of 87Sr to 87Rb of 0.090. Assuming that

asked by Star on November 15, 2006
38. ## Chemistry

The pH of a weak monoprotic acid, HA, is 4.55. It took 39.22 ml of 0.2334 M NaOH to titrate 25.00 ml of the acid. a. Write an equation for the above reaction. b. Calculate the molarity of the weak acid c. Write the equilibrium equation. Construct a table

asked by Cassie on April 9, 2011
39. ## Math

Please help thanks :) I need to know how to figure out this question. Below is some financial information for the month of September for a large clothing store Using the retail method of inventory, estimate the value of the ending inventory at cost on

asked by Israel on November 28, 2007
40. ## SS

Use the passage to answer the question. "…[The] said Cooper Hughs Freedman with his wife…are to work on said farm and to cultivate forty acres in corn and twenty acres in cotton, to assist in putting the fences on said farm in good order and to keep

asked by Stacia on December 17, 2018
41. ## Social Studies

Use the passage to answer the question. "…[The] said Cooper Hughs Freedman with his wife…are to work on said farm and to cultivate forty acres in corn and twenty acres in cotton, to assist in putting the fences on said farm in good order and to keep

asked by Stacia on December 17, 2018
42. ## language arts

2. In which of the following sentences does the boldfaced word contain the Latin root -lum-? A.The bear tucked into his cave for a long winter's (slumber). B.Hannah's face was (luminous) with the soft morning light. *** C.The (plumber) peered into the dark

asked by Anonymous on August 26, 2015
43. ## Language Arts

2. In which of the following sentences does the boldfaced word contain the Latin root -lum-? A.The bear tucked into his cave for a long winter's (slumber). B.Hannah's face was (luminous) with the soft morning light. *** C.The (plumber) peered into the dark

asked by Shalee ^~^ on October 28, 2015
44. ## ALGEBRA

You recently started the paperwork to purchase your new home, and were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in

asked by Imagine on May 20, 2011
45. ## English

Thank you very, very much for helping me! I still have to mention a few things to connect the description of the school to the need of promoting the study of English and IT. I hope you can help me express them. 1) I also wanted to say that students from

asked by Henry2 on February 7, 2012
46. ## Single Room, Earth View by Sally Ride--Help!

This regards the story "Single Room, Earth View" by Sally Ride. Choose one of the following quotations; then in a few paragraphs, discuss how Sally Ride's observations support or refute the quotation. Quotations: 1. "Observation is a passive science,

asked by Victoria on April 7, 2014
47. ## college

how can you differentiate between oxalic acid, citric acid and tartaric acid with CaCl2 test? show the chemical reaction?

asked by Anonymous on November 7, 2009
48. ## College Physics

If you square the equation v=v0 + at, you'll have an expression for v2. Equate the two expressions for v2, and show that the resulting equation reduces to the equation x= x0+v0t + 1/2at2.

asked by Whitney on January 30, 2012
49. ## Math

The price of gas is 85.9 cents per Litre. If Brenda needs 48.3 L of gas to fill her gas tank, how much will she pay? Please show the steps.

asked by Anna on April 15, 2014
50. ## Calculus

Let f be defined as follows. y = f(x) = x^2 - 4 x (a) Find the average rate of change of y with respect to x in the following intervals. from x = 5 to x = 5.5 For some reason I keep getting this wrong. The way I did it was: f((5.5)-f(5))/(x2-x1)=

asked by Anonymous on February 4, 2011
51. ## Math

Convert this measurement to hundreth of a kilometre. 26 mi 385 yd. Could you please show formula on how you got this answer? I am stuck I keep getting the answer as 16 km but the answer is supposed to be 42.19 km Thank you

asked by Cherie on September 8, 2014
52. ## Statistics

In a distribution where the mean is to the right of the median, the histogram of the distribution will probably: a. have a longer tail on the right side b. show a uniform distribution c. be symmetric d. be bi-modal

asked by Lea on October 25, 2016
53. ## computers

Show how counting semaphores (i.e. semaphores that can hold an arbitrary value) can be implemented using binary semaphores and ordinary machine instructions.

asked by asok on September 30, 2009
54. ## Math

I need to find expressions that will show how 5 x 37 can be rewritten using distributive property. 5 x 30 + 7 ---- My answer 5 x 30 + 5 x 7 5 x 40 - 5 x 7 5 x 40 - 5 x 3 *It can be more than one answer* 3u + 7v + 4u = 2v (I have to simplify) My answer is

asked by Nay on August 22, 2014
55. ## AP Chem ---

Iron-59 has a half-life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new sample of iron? Please show the calculating so I can learn to do it.

asked by Dani on May 22, 2015
56. ## psychology

WHICH AGE GROUP SHOW LOWEST SELF -ESTEEM DURING CHILDHOOD AND ADOLESCENCE A)10-12YEARS OLD B)13-15 YEARS 0LD C)16-18 YEARS OLD D)19-21 YEARS OLD

asked by fred on July 11, 2010
57. ## mathematics-probabilities

. A letter is picked random from the word COMPUTER. What is the probability that it is either in the word CUT or in the word ROPE please show workings #thanks

asked by P1 on March 31, 2016
58. ## calculus

Please help with this. I need the first derivative of f(x)=4(x+squareroot (x(8-x)) and then the second derivative of this to show by the second derivative test that it is a local maximum. This is difficult to put into form here and I hope I have got it

asked by Frank on February 24, 2011
59. ## Nth

Explain how the answers for 20 divided by 1/7 (140), 20 divided by 2/7 (70) and 20 divided 6/7 (23 1/3) are related. Show why this makes sense. Please answer my question

asked by Anonymous on October 29, 2013
60. ## AP Chem ---

Iron-59 has a half-life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new iron sample? Please show the calculating so I can learn to do it.

asked by Dani on May 22, 2015
61. ## java

Write a program that reads a five digit integer number from the keyboard, and then constructs the largest possible integer number with the digits of the entered number. Your program should have only one class , which implements the standard method.You are

asked by Denial on January 22, 2015
62. ## AP Chemistry

Could you please review my work and see what i'm doing incorrectly? Thank you Given this information: CxHyOz (s) + O2 (g) ----> CO2 + H20 given: 2.165 g of the unknown hydrocarbon v = 1.868 L P = 130.2 kPa T = 65.0 degrees C g of H2O = 1.818 a)find g H in

asked by Jake on February 5, 2008
63. ## statistical analysis

New Process, Inc., a large mail-order supplier of women’s fashions, advertises same-day service on every order. Recently, the movement of orders has not gone as planned, and there were a large number of complaints. Bud Owens, director of customer

asked by Anna on August 1, 2013
64. ## Math

how many solutions are in this system: y=x^2+2x+5 y=-2x+1 I'm not sure, but I got no solutions.

asked by Angie on May 6, 2009
65. ## Math

What are the solutions of the system? y=x^2+3x-4 y=2x+2 a) (-3,6) and (2,-4)** b) (-3,-4) and (2,6) c) (-3,-4) and (-2,-2) d) no solutions

asked by Angel on June 10, 2017
66. ## pre algebra

write an equation for the line through the given points or through the given point with the given slope (5,7),(6,8) (1,2),(3,8) (0,5),(-3,2) (8,11),(6,16) For each of them, use the standard formula (y- y1) = [(y2-y1)/x2-x1)]*(x-x1) In the first case, that

asked by Anonymous on March 15, 2007
67. ## physics

A light spring with a spring constant of 15.2 N/m rests vertically on the bottom of a large beaker of water, as shown in (a) below. A 5.26 10-3 kg block of wood with a density of 636.0 kg/m3 is connected to the spring, and the mass-spring system is allowed

asked by John Miller on May 5, 2013
68. ## Science

Can you tell me the Main Idea(s)? There’s an old saying that oil and water don’t mix. But sometimes they do — especially when a chemical called a surfactant brings the two together. Once blended, oil and water become tough to pull apart. Unless, that

asked by Anonymous on February 26, 2013
69. ## Maths

The diagram shows a 6 kg block resting on a rough horizontal table. It is connected by light, inextensible strings passing over two smooth pulleys to two blocks of masses 2kg and 5kg which hang vertically. Calculate the coefficient of friction between the

asked by John B on December 13, 2016
70. ## Social Studies

Which of the following supports the idea that the constitution was written with compromises. Smaller states would be represented equally in congress No system of checks and balances would be included in this new government Congress could not have complete

asked by Anoymus on September 25, 2017
71. ## medical billing and coding

yourre an inpatient coder in a hospital. you've just coded a medicare part a record with a diagnosis related group reimbursement of \$12000. you notice in the hospitals computer billing system that the patient's charges are \$19500. that's \$7500 more that

asked by r on January 12, 2009
72. ## Social Studies

What are some weaknesses of the Articles of Confederation that cause the need for a new and stronger federal government that the framers outlined in the Constitution? (Select all that apply) A-*how to resolve disputes between states over land*

asked by wooo on November 29, 2018
73. ## physics

An 0.90 kg object is attached to one end of a spring, and the system is set into simple harmonic motion. The displacement x of the object as a function of time is shown in the drawing. With the aid of these data, determine the following values. I got

asked by Lola on July 4, 2015
74. ## History

Which of the following examples would be necessary for a country with a mercantilistic economy. The printing and usage of a international currency for all countries The devaluing of a national currency to inflate prices and create an artificial demand for

asked by Johnny on February 7, 2013
75. ## math214

I have no clue how to answer this question. A farmer has a square plot of land. An irrigation system can be installed with the option of one large circular sprinkler, or nine small sprinklers. The farmer wants to know which plan will provide water to the

asked by alicia on March 1, 2010
76. ## math

particles of mass 3m and 5 m hang one at each end of a light inextensible string which passes over a pulley.The system is released from rest with the hanging parts taunt and vertical.During the subsequent motion the resultant force exerted by the string on

asked by rob on March 4, 2011
77. ## Math

particles of mass 3m and 5 m hang one at each end of a light inextensible string which passes over a pulley.The system is released from rest with the hanging parts taunt and vertical.During the subsequent motion the resultant force exerted by the string on

asked by rob on March 3, 2011
78. ## Machanics

particles of mass 3m and 5 m hang one at each end of a light inextensible string which passes over a pulley.The system is released from rest with the hanging parts taunt and vertical.During the subsequent motion the resultant force exerted by the string on

asked by rob on March 4, 2011
79. ## science

I believe that our solar system formed by the same process as star formation. A huge cloud of dust and gas collapsed and condensed. Gravity pulled matter into the center core, nuclear fusion began, and our Sun was created. Remaining matter and gas clumped

asked by javier on August 31, 2016
80. ## math

Posted by Austin on Thursday, November 13, 2008 at 9:19pm. Luis bought eight bags of candy at the store for a total price of \$21.54. He bought some bags of candy that cost \$2.22 each and the rest cost \$3.48 each. How many bags of the \$3.48 candy did Luis

asked by Austin on November 13, 2008
81. ## Physics (Elastic Collision)

A 0.400 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? (b) What fraction of the original kinetic

asked by Haley on October 29, 2006
82. ## differential equation

A 0.25 kg mass is horizontally attached to a spring with a stiffness 4 N/m. The damping constant b for the system is 1 N-sec/m. If the mass is displaced 0.5 m to the left and given an initial velocity of 1 m/sec to the left, find the equation of motion.

asked by aamiraa on March 10, 2011
83. ## 11th grade Algebra 2

At a college bookstore, Carla purchased a math textbook and a novel thjat cost a total of \$54, not including tax. If the price if the math textbook, m, is \$8 more than 3 times the price of the novel, n, write a system of linear equations that could be used

asked by David Nipp on April 7, 2010
84. ## Physics

Two positive charges of magnitude q are each a distance d from the origin A of a coordinate system as shown above. ( Figure: h t t p : / / draw.to/DS0Qid) At which of the following points is the electric field least in magnitude? At which of the following

asked by Amanda E. on February 19, 2011
85. ## Statistics

In a particular suburb 30% of housholds have installed electronic security systems. If 2 households are chosen at random from this area, what is the probability that neither has installed a security system? Using the binomial probability function for this

asked by Jason L on February 26, 2007
86. ## Need help in understanding.

You have been hired by a large public school system to construct a musical aptitude test. Describe how you would standardize your test and assess its reliability and validity. Explain why it might be more difficult to develop a valid musical aptitude test

asked by CHASE on August 30, 2011
87. ## Ancient History

Hi Okay, hypothesis time XD. That Akhenaten challenged the religous system of New Kingdom Egypt and the role of a typical New Kingdom pharoah. Furthermore he did not create any lasting reforms, was detrimental to Egypts development and did not act as a

asked by Em on May 25, 2011
88. ## physics

A block of mass 0.8 kg is dragged along a level surface at constant velocity by a hanging block of mass 0.2 kg as shown in fig. 2.29. Find tension in the string and acceleration of the system, if the coefficient of friction between the block and the

asked by Ashima on June 14, 2013
89. ## pre algebra

A 0.25 kg mass is horizontally attached to a spring with a stiffness 4 N/m. The damping constant b for the system is 1 N-sec/m. If the mass is displaced 0.5 m to the left and given an initial velocity of 1 m/sec to the left, find the equation of motion.

asked by shasha on March 10, 2011
90. ## Math

Show that the compositions below do not result in the same point. Point A (x,y) 90 degrees clockwise reflection around the y-axis for point (-4,-3) ____________

asked by Carl on June 23, 2008
91. ## Math

The volume of it is 1125 cubic inches, the length is 18 inches, and the width is 15 inches. Can you also show me how to do because I have a test on it Monday. Thanks!

asked by Jessica on March 5, 2013
92. ## math

kim ate 3/2 slices of an apple. Did he eat less than a whole apple or more than the whole apple. draw picture to show your answer

asked by ashley on February 27, 2012
93. ## Algebra

MLids for tin cans are stamped out of a solid sheet of tin as show how much of the tin is wasted in this process? Given L= 15 w=6

asked by Unknown on September 16, 2016
94. ## Calculus

Name two sets of vectors that could be used to span a set in R^3. Show how the vectors (-1,2,0) and (3,4,0) could each be written as a linear combination of the vectors you have chosen.

asked by Jackiee on April 28, 2010
95. ## trig

Use a compound angle formula for sine to show that sine2(theta) = 2sine(theta)cos(theta)

asked by Anonymous on November 1, 2009
96. ## Algebra

The volume of it is 1125 cubic inches, the length is 18 inches, and the width is 15 inches. Can you also show me how to do because I have a test on Friday! Thanks!!! :)

asked by Dean on March 5, 2013
97. ## math 2nd grade

simon ate 3/2 slices of an apple. Did he eat less than a whole apple or more than the whole apple. Draw a picture to show your answer

asked by ali on February 29, 2012
98. ## Math

If the Risk Free Rate is 2% and the expected inflation rate is 3%, what is the nominal interest rate? Please show formula.

asked by Susan on June 8, 2011
99. ## Algebra: please check

Find the equation of a line that passes through the point (1,2) and has a slope of 1/3. Show how you found the equation. Would the equation be: y-2=1/3(x-1) Do I need to finish this? I am not sure how.

asked by bart on June 8, 2010
100. ## Maths - Year 10

If theta is acute, show that from a diagram, that cot(90-theta) = tan theta and hence simplify tan76°/cot16° ty

asked by nicholarly on August 18, 2016